Constella Intelligence, founded in 2010 and headquartered in San Jose, California with a significant presence in Spain, specializes in dark and deep web threat intelligence gathering and analysis. The company maintains a massive data lake aggregating billions of compromised credentials, PII, and related intelligence from diverse sources including data breaches, infostealers, and public web data. Their core offering focuses on compromised credential intelligence, enabling organizations to identify, assess, and respond to identity risks such as account takeover (ATO), fraudulent account opening, targeted phishing, and social engineering. Their SaaS platform offers both API and graphical interface access, blending automated machine learning with hybrid human review to ensure data integrity, reduce false positives, and correlate complex threats, making them a key information provider for both Fraud Reduction Intelligence Platforms (FRIP) and Identity Threat Detection and Response (ITDR) solutions.